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109577 (2001 QD271)
Classification: Main-belt Asteroid          SPK-ID: 2109577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016342308367621 4.6618e-08  
a 2.454618650973457 1.1706e-08 au
q 2.205145372384199 1.1363e-07 au
i 6.281524378563686 5.6119e-06 deg
node 339.4211610813331 4.1733e-05 deg
peri 79.40308280808314 5.0886e-05 deg
M 229.919653398564 2.8293e-05 deg
tp 2459508.055637883316
(2021-Oct-20.55563788)
0.00011102 TDB
period 1404.670531804814
3.85
1.0048e-05
2.751e-08
d
yr
n .2562878567242726 1.8333e-09 deg/d
Q 2.704091929562715 1.2896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      6898 days (18.89 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:33:16  

Additional Information
 Earth MOID = 1.2274 au 
 Jupiter MOID = 2.57013 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457088.5 (2015-Mar-07.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028356305186093 4.6435e-08  
q 2.201001276917395 1.1319e-07 au
tp 2456702.775454487953
(2014-Feb-14.27545449)
0.00010774 TDB
node 339.4945530603248 4.1748e-05 deg
peri 79.7787955602095 5.0686e-05 deg
i 6.281758674696164 5.6126e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      6898 days (18.89 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:33:16  

Additional Information
 Jupiter MOID = 2.57013 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.156199891824997E-15 -5.233387582949456E-15 -2.255434976859163E-12 -6.257964511756074E-15 -6.367805305690485E-13 -5.717153486223751E-15
q -5.233387582949456E-15 1.281086579285222E-14 5.506223070124966E-12 1.543017760224332E-14 1.559037890039039E-12 1.422190607041729E-14
tp -2.255434976859163E-12 5.506223070124966E-12 1.160875433923265E-8 2.396196653766904E-11 3.114242246917682E-9 9.374923818440835E-12
node -6.257964511756074E-15 1.543017760224332E-14 2.396196653766904E-11 1.742867520487359E-9 -1.725329166443107E-9 6.787301016114053E-11
peri -6.367805305690485E-13 1.559037890039039E-12 3.114242246917682E-9 -1.725329166443107E-9 2.569029708207579E-9 -6.488903513475917E-11
i -5.717153486223751E-15 1.422190607041729E-14 9.374923818440835E-12 6.787301016114053E-11 -6.488903513475917E-11 3.150166389057433E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO338041  

109577 (2001 QD271)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QD271 = 2003 AW48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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